TEMP1=pd.DataFrame()
TEMP2=pd.DataFrame()
###both TEMP1 and TEMP2 has some values
def internal(x,TEMP2):
######
#body
#some processing done on both
#TEMP1 TEMP2
######
TEMP1.groupby('IterRecNum').apply(lambda x:internal(x,TEMP2))
IterRecNum不是主键,所以由groupby组成的组是数据帧
我想通过从内部函数返回一些值来更新TEMP1和TEMP2